<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <link rel="stylesheet" href="style.css">
    <style>
        .footer{
            height:100px;
            background: #000;
            line-height: 35px;
            font-size: 16px;
            text-align: center;
            color:#fff;
        }
       
    </style>
</head>
<body>
   <div class="footer">
       <p>这是底部</p>
   </div> 
</body>
</html>